Changed handling of wrong vector size when swapping vertices. Now an error...

Changed handling of wrong vector size when swapping vertices. Now an error message is generated but the size will be corrected and the values will still be swapped.

git-svn-id: http://www.openvolumemesh.org/svnrepo/OpenVolumeMesh/trunk@282 66977474-1d4b-4f09-8fe9-267525286df2

src/OpenVolumeMesh/Core/GeometryKernel.hh

@@ -182,8 +182,9 @@ public:
 
     void swap_vertices(std::vector<VecT>& _copy) {
         if(_copy.size() != vertices_.size()) {
-            std::cerr << "Vertex vectors differ in size!" << std::endl;
-            return;
+            std::cerr << "Vertex vectors differ in size! The size of the copy " <<
+            		"is artificially set to the correct one. Some values may not be correctly initialized." << std::endl;
+            _copy.resize(vertices_.size());
         }
         std::swap(vertices_, _copy);
     }